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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | /* | |
4 | * Ceph - scalable distributed file system | |
5 | * | |
6 | * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net> | |
7 | * | |
8 | * This is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License version 2.1, as published by the Free Software | |
11 | * Foundation. See file COPYING. | |
12 | * | |
13 | */ | |
14 | ||
15 | ||
16 | #ifndef CEPH_MOSDREPSCRUB_H | |
17 | #define CEPH_MOSDREPSCRUB_H | |
18 | ||
19 | #include "MOSDFastDispatchOp.h" | |
20 | ||
21 | /* | |
22 | * instruct an OSD initiate a replica scrub on a specific PG | |
23 | */ | |
24 | ||
11fdf7f2 TL |
25 | class MOSDRepScrub : public MessageInstance<MOSDRepScrub, MOSDFastDispatchOp> { |
26 | public: | |
27 | friend factory; | |
7c673cae | 28 | |
11fdf7f2 TL |
29 | static constexpr int HEAD_VERSION = 9; |
30 | static constexpr int COMPAT_VERSION = 6; | |
7c673cae FG |
31 | |
32 | spg_t pgid; // PG to scrub | |
33 | eversion_t scrub_from; // only scrub log entries after scrub_from | |
34 | eversion_t scrub_to; // last_update_applied when message sent | |
d2e6a577 | 35 | epoch_t map_epoch = 0, min_epoch = 0; |
7c673cae FG |
36 | bool chunky; // true for chunky scrubs |
37 | hobject_t start; // lower bound of scrub, inclusive | |
38 | hobject_t end; // upper bound of scrub, exclusive | |
39 | bool deep; // true if scrub should be deep | |
28e407b8 AA |
40 | bool allow_preemption = false; |
41 | int32_t priority = 0; | |
42 | bool high_priority = false; | |
7c673cae FG |
43 | |
44 | epoch_t get_map_epoch() const override { | |
45 | return map_epoch; | |
46 | } | |
47 | epoch_t get_min_epoch() const override { | |
48 | return min_epoch; | |
49 | } | |
50 | spg_t get_spg() const override { | |
51 | return pgid; | |
52 | } | |
53 | ||
54 | MOSDRepScrub() | |
11fdf7f2 | 55 | : MessageInstance(MSG_OSD_REP_SCRUB, HEAD_VERSION, COMPAT_VERSION), |
7c673cae | 56 | chunky(false), |
28e407b8 | 57 | deep(false) { } |
7c673cae FG |
58 | |
59 | MOSDRepScrub(spg_t pgid, eversion_t scrub_to, epoch_t map_epoch, epoch_t min_epoch, | |
28e407b8 AA |
60 | hobject_t start, hobject_t end, bool deep, |
61 | bool preemption, int prio, bool highprio) | |
11fdf7f2 | 62 | : MessageInstance(MSG_OSD_REP_SCRUB, HEAD_VERSION, COMPAT_VERSION), |
7c673cae FG |
63 | pgid(pgid), |
64 | scrub_to(scrub_to), | |
65 | map_epoch(map_epoch), | |
66 | min_epoch(min_epoch), | |
67 | chunky(true), | |
68 | start(start), | |
69 | end(end), | |
70 | deep(deep), | |
28e407b8 AA |
71 | allow_preemption(preemption), |
72 | priority(prio), | |
73 | high_priority(highprio) { } | |
7c673cae FG |
74 | |
75 | ||
76 | private: | |
77 | ~MOSDRepScrub() override {} | |
78 | ||
79 | public: | |
11fdf7f2 | 80 | std::string_view get_type_name() const override { return "replica scrub"; } |
7c673cae | 81 | void print(ostream& out) const override { |
28e407b8 AA |
82 | out << "replica_scrub(pg: " << pgid |
83 | << ",from:" << scrub_from | |
84 | << ",to:" << scrub_to | |
7c673cae FG |
85 | << ",epoch:" << map_epoch << "/" << min_epoch |
86 | << ",start:" << start << ",end:" << end | |
87 | << ",chunky:" << chunky | |
88 | << ",deep:" << deep | |
28e407b8 AA |
89 | << ",version:" << header.version |
90 | << ",allow_preemption:" << (int)allow_preemption | |
91 | << ",priority=" << priority | |
92 | << (high_priority ? " (high)":"") | |
93 | << ")"; | |
7c673cae FG |
94 | } |
95 | ||
96 | void encode_payload(uint64_t features) override { | |
11fdf7f2 TL |
97 | using ceph::encode; |
98 | encode(pgid.pgid, payload); | |
99 | encode(scrub_from, payload); | |
100 | encode(scrub_to, payload); | |
101 | encode(map_epoch, payload); | |
102 | encode(chunky, payload); | |
103 | encode(start, payload); | |
104 | encode(end, payload); | |
105 | encode(deep, payload); | |
106 | encode(pgid.shard, payload); | |
107 | encode((uint32_t)-1, payload); // seed | |
108 | encode(min_epoch, payload); | |
109 | encode(allow_preemption, payload); | |
110 | encode(priority, payload); | |
111 | encode(high_priority, payload); | |
7c673cae FG |
112 | } |
113 | void decode_payload() override { | |
11fdf7f2 TL |
114 | auto p = payload.cbegin(); |
115 | decode(pgid.pgid, p); | |
116 | decode(scrub_from, p); | |
117 | decode(scrub_to, p); | |
118 | decode(map_epoch, p); | |
119 | decode(chunky, p); | |
120 | decode(start, p); | |
121 | decode(end, p); | |
122 | decode(deep, p); | |
123 | decode(pgid.shard, p); | |
28e407b8 AA |
124 | { |
125 | uint32_t seed; | |
11fdf7f2 | 126 | decode(seed, p); |
28e407b8 | 127 | } |
7c673cae | 128 | if (header.version >= 7) { |
11fdf7f2 | 129 | decode(min_epoch, p); |
7c673cae FG |
130 | } else { |
131 | min_epoch = map_epoch; | |
132 | } | |
28e407b8 | 133 | if (header.version >= 8) { |
11fdf7f2 | 134 | decode(allow_preemption, p); |
28e407b8 AA |
135 | } |
136 | if (header.version >= 9) { | |
11fdf7f2 TL |
137 | decode(priority, p); |
138 | decode(high_priority, p); | |
28e407b8 | 139 | } |
7c673cae FG |
140 | } |
141 | }; | |
142 | ||
143 | #endif |